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$577+ Cheap flights from Trieste (TRS) to Chicago (CHI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
TRS — CHI
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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Find flight deals from Trieste to Chicago

Cheapest flights from Trieste to Chicago
Explore the most affordable flight options available from Trieste to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2025.

This Mytrip deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/57:20 pmTRS - ORD
2 stops26h 50mMultiple Airlines
Sun 11/95:20 pmORD - TRS
2 stops22h 30mMultiple Airlines
Deal found 10/21$577
This Lufthansa deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:15 amTRS - ORD
1 stop13h 55mLufthansa
Mon 11/244:20 pmORD - TRS
1 stop14h 40mLufthansa
Deal found 10/21$638
This Booking.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/52:40 pmTRS - ORD
1 stop29h 30mLufthansa
Sun 11/910:35 pmORD - TRS
1 stop16h 50mLufthansa
Deal found 10/21$652

Cheap flight deals from Trieste to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Trieste (TRS) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 22, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$577
(Mytrip)
Provider with most accurate pricing for Trieste Ronchi dei Legionari-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Trieste Ronchi dei Legionari-Chicago (CHI) flights.
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From Trieste Ronchi dei Legionari to Chicago (CHI)
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Trieste to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 22, 2025.
Use the filters below to find and compare flights from Trieste to Chicago that are best for you.

Fly from

Trieste

Fly to

Chicago

Route

Depart

Return

Price

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Wed 11/5

6:35 am-8:05 pm

3 stops20h 30m

Chicago O'Hare Intl

Sun 11/9

10:35 pm-10:50 pm

2 stops17h 15m

$630

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Thu 11/20

6:15 am-1:10 pm

1 stop13h 55m

Chicago O'Hare Intl

Mon 11/24

4:20 pm-2:00 pm

1 stop14h 40m

$638

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Sat 1/24

6:25 am-7:45 pm

2 stops20h 20m

Chicago O'Hare Intl

Sat 2/7

8:45 am-2:05 pm

2 stops22h 20m

$675

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Wed 11/5

2:40 pm-12:45 pm

2 stops29h 05m

Chicago O'Hare Intl

Sun 11/9

6:25 pm-10:25 pm

1 stop21h 00m

$679

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Sat 1/24

6:25 am-3:20 pm

1 stop15h 55m

Chicago O'Hare Intl

Sat 2/7

3:20 pm-2:05 pm

1 stop15h 45m

$682

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Mon 10/27

11:15 am-11:05 am

2 stops29h 50m

$6,503

TriesteChicago

TRS - ORD

TRSORD

Trieste Ronchi dei Legionari

Tue 10/28

6:35 am-7:25 pm

2 stops42h 50m

$6,628

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

  • Most accurate provider: When it comes to deals on Trieste-Chicago flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Trieste-Chicago flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Trieste-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Trieste-Chicago flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Trieste-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Trieste to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Trieste with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Trieste to Chicago

What is the cheapest month to book a flight from Trieste to Chicago?

Currently, November is the cheapest month in which you can book a flight from Trieste to Chicago (average of $476). Flying from Trieste to Chicago in June is currently the most expensive (average of $691). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Trieste to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Trieste to Chicago?

    For a flight from Trieste to Chicago, you will be flying from Ronchi dei Legionari. Trieste Ronchi dei Legionari (TRS) is just 18.2 mi from the center of the city. Ronchi dei Legionari is the only Trieste airport and it handles 0 outbound flights to Chicago per day. 0 airlines have flights to Chicago from Trieste Ronchi dei Legionari on a regular basis.

  • How long is the flight from Trieste to Chicago?

    Lufthansa can get you from Trieste to Chicago in just under 13h 55m. Your travel time can differ by up to . The distance between Trieste and Chicago is about 4683 mi.

  • Can I find deals for flights from Trieste to Chicago that include hotel bookings?

    Yes. In addition to deals on Trieste to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Trieste to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Trieste to Chicago.

  • Can I find deals for business class flights from Trieste to Chicago?

    Yes. Cheapflights offers flight deals from Trieste to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Trieste to Chicago?

    Currently, November is the cheapest month in which you can book a flight from Trieste to Chicago (average of $476). Flying from Trieste to Chicago in June is currently the most expensive (average of $691). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago?

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